2021 TQ9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3733049105 ± 2.25e-05
Semi-major axis (a)0.9279168590 AU ± 2.00e-06
Inclination (i)19.40177690° ± 2.10e-03
Long. of Asc. Node (Ω)201.62151098° ± 3.17e-04
Arg. of Perihelion (ω)331.64848524° ± 4.01e-04
Mean Anomaly (M)81.66241111° ± 3.92e-03
Mean Motion (n)1.1026779195°/day ± 3.57e-06
Perihelion dist (q)0.58152094 AU ± 2.09e-05
Aphelion dist (Q)1.27431278 AU ± 2.11e-05
Orbital Period0.89384785 yr ± 2.90e-06
Physical Parameters
H (abs. magnitude)22.05
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.364″
Uncertainty1
Orbit TypeAten
MOID0.134107 AU
Observations Used120
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-01
Last Observation Used2021-11-15
Observations (120)
Date Type RA Dec Mag Band Observatory
2021-10-10 18:26:07 C 00 30 14.50 +14 05 22.0 V 246
2021-10-10 18:26:52 C 00 30 14.39 +14 05 18.9 V 246
2021-10-10 18:27:14 C 00 30 14.38 +14 05 18.0 V 246
2021-10-10 18:27:37 C 00 30 14.31 +14 05 16.9 V 246
2021-10-10 18:27:59 C 00 30 14.26 +14 05 15.4 V 246
2021-10-10 18:28:39 C 00 30 14.15 +14 05 11.4 V B72
2021-10-10 18:30:36 C 00 30 13.85 +14 05 04.9 V K74
2021-10-10 18:31:31 C 00 30 13.63 +14 05 02.4 V 246
2021-10-10 18:31:39 C 00 30 13.68 +14 04 59.5 V B72
2021-10-10 18:31:54 C 00 30 13.58 +14 05 00.5 V 246
2021-10-10 18:32:16 C 00 30 13.57 +14 04 59.3 V 246
2021-10-10 18:32:39 C 00 30 13.48 +14 04 57.6 V 246
2021-10-10 18:33:01 C 00 30 13.46 +14 04 56.4 V 246
2021-10-10 18:36:44 C 00 30 12.87 +14 04 41.6 V K74
2021-10-10 18:44:01 C 00 30 11.75 +14 04 14.9 V B72
2021-10-10 18:44:33 C 00 30 11.65 +14 04 13.0 V K74
2021-10-10 18:55:28 C 00 30 09.95 +14 03 33.0 V K74
2021-10-10 18:56:01 C 00 30 10.09 +14 03 33.6 X K78
2021-10-10 19:04:02 C 00 30 08.59 +14 03 01.0 V K74
2021-10-10 19:15:42 C 00 30 06.96 +14 02 16.6 V J95
2021-10-10 19:20:56 C 00 30 06.14 +14 02 02.0 X K78
2021-10-10 19:32:41 C 00 30 03.94 +14 01 14.6 V K80
2021-10-10 19:35:32 C 00 30 03.84 +14 01 03.5 V J95
2021-10-10 19:41:37 C 00 30 02.77 +14 00 41.6 V B72
2021-10-10 19:46:25 C 00 30 02.10 +14 00 27.2 X K78
2021-10-10 19:50:54 C 00 30 01.04 +14 00 07.1 V K80
2021-10-10 19:52:50 C 00 30 01.03 +14 00 00.4 V B72
2021-10-10 20:02:51 C 00 29 59.43 +13 59 23.6 V B72
2021-10-10 21:58:07 C 00 29 41.04 +13 52 16.1 V K87
2021-10-10 22:13:03 C 00 29 38.69 +13 51 20.0 V K87
2021-10-10 22:27:59 C 00 29 36.30 +13 50 24.5 V K87
2021-10-12 21:53:08 C 00 22 23.71 +10 49 22.0 V K88
2021-10-12 21:55:57 C 00 22 23.28 +10 49 11.2 V K88
2021-10-12 21:58:47 C 00 22 22.81 +10 49 00.2 V K88
2021-10-12 22:01:37 C 00 22 22.35 +10 48 49.4 V K88
2021-10-14 01:51:34 C 00 18 10.42 +08 59 56.4 u 807
2021-10-14 01:56:04 C 00 18 09.67 +08 59 39.2 u 807
2021-10-14 02:00:42 C 00 18 08.85 +08 59 21.1 u 807
2021-10-15 01:44:40 C 00 14 34.34 +07 24 14.6 u 807
2021-10-15 01:49:11 C 00 14 33.63 +07 23 57.3 u 807
2021-10-15 01:53:41 C 00 14 32.88 +07 23 38.8 u 807
2021-10-24 00:32:00 C 23 44 18.16 -07 02 17.2 u 807
2021-10-24 00:36:25 C 23 44 17.55 -07 02 33.7 u 807
2021-10-24 00:40:55 C 23 44 16.97 -07 02 51.6 u 807
2021-10-24 06:44:18 C 23 43 28.58 -07 26 47.9 o 691
2021-10-24 07:03:55 C 23 43 25.91 -07 28 02.5 o 691
2021-10-26 00:18:55 C 23 38 21.18 -10 02 21.9 u 807
2021-10-26 00:22:50 C 23 38 20.67 -10 02 36.5 u 807
2021-10-26 00:26:52 C 23 38 20.06 -10 02 50.7 u 807
2021-10-28 00:47:03 C 23 32 40.80 -12 56 02.4 u 807